question Groovy Script in ExecuteScript Processor To Format Date value from flow file in Support Questions

question Groovy Script in ExecuteScript Processor To Format Date value from flow file in Support Questions https://community.cloudera.com/t5/Support-Questions/Groovy-Script-in-ExecuteScript-Processor-To-Format-Date/m-p/230207#M192057 <img src="https://community.cloudera.com/t5/image/serverpage/image-id/15040iA09570D21259A685/image-size/medium?v=v2&px=400" role="button" title="40894-nifihelp.png" alt="40894-nifihelp.png" />Hi All,I have json flow file with values in Mon Oct 09 23:38:55 IST 2017 format.<img src="https://community.cloudera.com/t5/image/serverpage/image-id/15041i698EB702AC9FB90C/image-size/medium?v=v2&px=400" role="button" title="40895-nifihelp.png" alt="40895-nifihelp.png" />I'm trying to change format to '2017-09-11 19:56:13'.to accomplish this I selected ExecuteScript Processor below is my groovy script which is not working.Please give me any suggestion on this.ThanksRakesh.<PRE>import org.apache.commons.io.IOUtils import java.nio.charset.* def flowFile = session.get() if(!flowFile) return flowFile = session.write(flowFile, {inputStream, outputStream -> def jsonSlurper = new JsonSlurper() def object = jsonSlurper.parseText(flowFile) assert object instanceof Map object.each { key,value -> String Regex = "([a-zA-Z]{3} [a-zA-Z]{3} \d{2} \d{2}\:\d{2}\:\d{2} [a-zA-Z]{3} \d{4})" if($value ==~ Regex){ $value = toDate("EEE MMM dd HH:mm:ss z yyyy"):toNumber():format("yyyy-MM-dd HH:mm:ss.S") } } outputStream.write(object) } as StreamCallback) flowFile = session.putAttribute(flowFile) session.transfer(flowFile, REL_SUCCESS) </PRE><img src="https://community.cloudera.com/t5/image/serverpage/image-id/15042i0E8BB7C780E501BA/image-size/medium?v=v2&px=400" role="button" title="40893-nifiredhelp.png" alt="40893-nifiredhelp.png" /> Sun, 18 Aug 2019 00:49:46 GMT rakesh999_alla 2019-08-18T00:49:46Z